Hi Dibyabibha,
I can provide you the WBJEE Opening Ranks (CR) and Closing Ranks (CR) for GCELT, Kolkata of previous years for OPEN category candidates, you can get an idea. These cutoffs were for the Leather Technology branch, which was the lowest out of the three branches.
If you belong to a specific category, then please mention it in the comments section and I will get back to you.
In 2018, after last round-
OR- 8,807 and CR- 19,242
In 2017, after last round-
OR- 5,726 and CR- 14,047
In 2016, after last round-
OR- 6,266 and CR- 12,871
Hope this helps you.
All the best!!!!
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